Bond energies of multiple bonds are higher than those of single bond but double bond is not twice as strong as single bond...why?

Question

anonymous · Answer

Yar koi to ans bta de

anonymous · Answer

this is because single bonds have sigma bonds which r very strong and difficult to break... but double bonds consist of a strong sigma bond and a weak pi bond which can be easily broken...

goformit100 · Answer

For Solving this Question, I would like to ask you that, do you have the detailed conception of : Chemical Bonding

anonymous · Answer

Yeah I hv ... only I want u to give the rezn of this particular qs

aaronq · Answer

because sigma bonds (single bonds) have greater orbital overlap (on internuclear axis), while pi bonds (double, triple) have less overlap (above and below the internuclear axis)